SMC Networks SMC91C95 User Manual
Page 33
33
R
ESET LOGIC
The pins and bits involved in the different reset
mechanisms are:
RESET -
Input Pin
POR -
Internal circuit activated by Power
On
nMRESET -
Output pin to reset modem
SRESET -
Soft Reset bit in ECOR and
MCOR,
one SRESET bit for each function.
SOFT RST - EPH Soft Reset bit in RCR
Table 5 - Reset Functions
RESETS THE
FOLLOWING
FUNCTIONS
ACTIVATES
SAMPLES
ISA VS.
PCMCIA
MODE
TRIGGERS
EEPROM
READ
RESET Pin
All internal logic
nMRESET
Yes
Yes
POR Circuit
Generates an internal reset of at least 15 msec, with same effect as the RESET pin
ECOR
Register
SRESET Bit
The Ethernet controller
function and Ethernet
PCMCIA Configuration
Registers except for the bit
itself
No
No
MCOR
Register
SRESET Bit
The Modem controller
function and Modem
PCMCIA Configuration
Registers except for the bit
itself
No
No
SOFT RST
The Ethernet Controller
itself except for the IA,
CONF, and BASE registers.
It does not reset any
PCMCIA Configuration
Register.
No
No